Finding the Fourth Proportional to 115,628.49, 173,440.27 and 53,298.99
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Solution
The fourth proportional to 115,628.49, 173,440.27 and 53,298.99 is: 79,947.35
Step by Step Solution
- Step 1: Write the proportion equation
115,628.49 : 173,440.27 = 53,298.99 : x - Step 2: Convert to fraction form
115,628.49/173,440.27 = 53,298.99/x - Step 3: Cross multiply
115,628.49x = 173,440.27 × 53,298.99 - Step 4: Simplify right side
115,628.49x = 9,244,190,949.83 - Step 5: Solve for x
x = 9,244,190,949.83/115,628.49 - Step 6: Final answer
x = 79,947.35
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.